package entities.vocabulary;

public class QueryKeywords {

	private QueryKeywords(){
	}
	public static final String QSCAN ="q-scan";
	public static final String QCON ="q-concept";
	public static final String QPI ="q-primaryindex";
	public static final String QSELECT ="q-select";
	public static final String QPROJ ="q-projection";
	public static final String QINTER ="q-intersection";
	public static final String QINFORM = "q-inform";
	
////desc. indexing and ordering
	public static final String ORDERING_UN = "un";
	public static final String ORDERING_FEATURE = "od-feature";
	public static final String ORDERING_PARTITION = "od-part";
	
	public static final String PD_CONCEPT = "pd-concept";
	public static final String PD_FEATURE = "pd-feature";
	public static final String PD_CONJUNCTION = "pd-and";
	public static final String PD_ROLE = "pd-role";
}
